Characteristics
Dicots
Reynoutria japonica Houtt.
JAPANESE KNOTWEED
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Reynoutria sachalinensis and R. x bohemica are very similar and difficult to distinguish from R. japonica (Freeman & Hinds in FNA, vol. 5).
Not Native
UPL (NWPL)
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Classification
Citation
REYNOUTRIA JAPONICA Houttuyn, Nat. Hist. 2(8): 640, t. 51(1). 1777.
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JAPAN:
Species Distribution Map
Based on vouchered plant specimens from wild populations. Cultivated occurrences are not mapped. Click on a county to display its name.
Source
Synonyms
Specimens and Distribution
Click on an Accession Number to view additional details about the specimen.
Range of years during which specimens were collected: